Help how to set this up i am baffled. Not sure how they get 29.

[David31]

 

[lev888]

What do you get when you plug in the height into the formula?

 

[Deleted member 4993]

View attachment 15226

You need to use the given formula T = 79 - \(\displaystyle \frac{A}{300}\)

What value did you use for "A" to calculate the temperature at the given height?